Perhaps you should try some spelling variations:
thong phuong » thuong phuong, thong thuong, thong huong
phuong thanh » phong thanh, truong thanh, phuong thao
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh bac » nhanh bac, thanh bai, thanh san
cua thong » cua thuong, cua khong, cua tong
toan ban » van ban
bac cua » ban cua, tac cua, bai cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - thanh bac cua thong phuong thanh ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh bac cua thong phuong thanh ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh bac cua thong phuong thanh ((toan tap) or (toan ban))*.